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Discussion on: CIDR - what the heck is it?

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Liptan Biswas

Just a note to go with this article.
For a network 10.1.0.0/20 having 4096 IP address, The actual number of nodes the network can have is 4094. The first and last address of network can not be assigned to any node. It is called network and broadcast address respectively. Read more

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Vivek Siva Author

I will add this point, with your permission ofcourse :)

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Liptan Biswas

sure, please go ahead.